Home / 199,428.12-275,569.21-151,598.43

Finding the Fourth Proportional to 199,428.12, 275,569.21 and 151,598.43

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Solution

The fourth proportional to 199,428.12, 275,569.21 and 151,598.43 is: 209,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,428.12 : 275,569.21 = 151,598.43 : x
  2. Step 2: Convert to fraction form
    199,428.12/275,569.21 = 151,598.43/x
  3. Step 3: Cross multiply
    199,428.12x = 275,569.21 × 151,598.43
  4. Step 4: Simplify right side
    199,428.12x = 41,775,857,456.50
  5. Step 5: Solve for x
    x = 41,775,857,456.50/199,428.12
  6. Step 6: Final answer
    x = 209,478.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.